import numpy as np

a = np.ones([2, 3, 2], np.float32)
a = [[[0.1, 0.2],
      [-0.3, 0.4],
      [0.5, 0.6]],
     [[0.7, 0.8],
      [0.9, 1.0],
      [1.1, 1.2]]]

b = np.ones([2, 2, 2], np.float32)
b = [[[0.2, 0.3],
      [0.4, 0.5]],
     [[0.6, 0.7],
      [0.2, 0.3]]]

c = np.concatenate([a, b], axis=1)
print c
